• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Tubes / Valves

All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum
HiGHFLYiN9s
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A Hot Rodded Bottlehead S.E.X. Amplifier
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12
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8K
wrenchone
wrenchone
D
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Cheap Chinese amps
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2
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2K
davidpaul
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Tubes too close to output transformers?
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8
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5K
richwalters
richwalters
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12ax7LP substitute
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10
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5K
Soonerorlater
Soonerorlater
I
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KTA-HiFi ST-70 pcb or marantz 8b. HiFi build
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18
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6K
mr2racer
mr2racer
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6CG7 replacing E88CC in SE KT88 Amp.
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26
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9K
Zekk
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Ultra Linear Push Pull Tube amp
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54
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22K
Hoej
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S
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12AX7 dual triode "Signal Enhancer/Conditioner"
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2
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2K
sampleaccurate
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Sound quality chinese tube amplifiers
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15
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7K
DF96
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KP11520
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Old Fisher SA-300 Amp help!
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2
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3K
KP11520
KP11520
F
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Oddball Tube - Useful for Audio??
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9
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3K
Tubelab_com
Tubelab_com
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Not quite DIY
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12
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3K
Matt BH
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B
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Monstrous 1kW amp!
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120
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37K
banat
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BHD
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RH84 SE Build and custom Edcor power transformer
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7
Views
3K
BHD
BHD
cgraf
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Looking for a new diy project
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23
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14K
h00hbt
h00hbt
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6l6 se primary impedance choice
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5
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2K
mastodon
mastodon
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Magic Eye tube
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10
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11K
M Gregg
M Gregg
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Differential Input for Aikido Amp?
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7
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3K
baldrick
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What kind of sound does a noisy 12B4 make ??
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5
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1K
ashok
ashok
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2nos of 6l6 in Parallel SE mode
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2
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3K
kevinkr
kevinkr
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